225023472 has 60 divisors (see below), whose sum is σ = 644416344. Its totient is φ = 73261440.

The previous prime is 225023471. The next prime is 225023489. The reversal of 225023472 is 274320522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225023471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11979 + ... + 24362.

Almost surely, 2^225023472 is an apocalyptic number.

It is an amenable number.

225023472 is an abundant number, since it is smaller than the sum of its proper divisors (419392872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225023472 is a wasteful number, since it uses less digits than its factorization.

225023472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36398 (or 36389 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 225023472 is about 15000.7823795961. The cubic root of 225023472 is about 608.2413486657.

Adding to 225023472 its reverse (274320522), we get a palindrome (499343994).

The spelling of 225023472 in words is "two hundred twenty-five million, twenty-three thousand, four hundred seventy-two".